2005*3/8—0.375*1949+3.75*10.4
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![2005*3/8—0.375*1949+3.75*10.4](/uploads/image/z/369052-52-2.jpg?t=2005%2A3%2F8%E2%80%940.375%2A1949%2B3.75%2A10.4)
2005*3/8—0.375*1949+3.75*10.4
2005*3/8—0.375*1949+3.75*10.4
2005*3/8—0.375*1949+3.75*10.4
2005*3/8—0.375*1949+3.75*10.4
=2005*3/8—0.375*1949+0.375*104
=(2005-1949+104)×3/8
=160×3/8
=60